18 Jul
2006
18 Jul
'06
4:05 p.m.
Hi,
The INVITE is still in processing (no OK received) when the BYE
arrives. I relay the BYE to my Asterik which replies with 487
transaction canceled (see attachment).
I am accounting INVITES after i receive their OK.
So i do not account a call start on the INVITE because it is not
OK-ed, but I want in such cases not to account the BYE which cancels
the invite in progress.
I am relaying messages statefully.
Is there any way I can distinguish that the BYE is for a transaction
in progress and not flag it for accounting? I think, that when I
receive a BYE I can use t_check_trans() and if there is a transaction
in progress I will not flag it for accounting.
However, if the INVITE is OK-ed and the BYE comes shortly after, will
there still be a transaction in memory (waiting for wt_timer) and will
the t_check_trans() report the transaction as finished or ongoing? If
it says ongoing then i will not account a BYE I should.
Any possible way I can distinguish a "BYE which cancels an INVITE"
from "a real BYE for an end of call" works for me. Is there any way to
detect that?
Best,
Dimo
On 7/18/06, Bogdan-Andrei Iancu <bogdan(a)voice-system.ro> wrote:
Hi,
what happens with the INVITE transaction? how does it end from reply
code point of view?
If it is ok, there is nothing you can do - from SIP point of view, it
will be a short call.
If negative, depends of your acc config if the INVITE records is logged
or not
regards,
bogdan
Dimo wrote:
Hi all,
I have a problem with accounting wrong BYEs:
I have noticed that some UAs like the spa are sending BYE to cancel an
INVITE instead of a CANCEL message. Now openser is interpreting this
correctly, but the problem is with accounting which will account this
BYE as call stop. Since there was never OK to the invite, there is no
call start and just a call stop which makes my billing very unhappy.
Is it possible to have something in the accounting module that will
prevent such "fake" byes of being accounted?
I am also thinking how to script it in my config, what i have thought
of so far is when receiving a BYE to check if there is ongoing
transaction and if there is, do not flag the BYE for accounting. This
however will probably result in some real BYEs not being accounted
too, because (correct me if wrong) the transaction will still exist in
mem for some short time after the OK is received.
Any help or suggestions will be greatly appreciated.
Best,
Dimo
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